On the convergence to the Nash bargaining solution for action-dependent bargaining protocols
(2013)
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- Abstract
- We consider a non–cooperative multilateral bargaining game and study an action–dependent bargaining protocol, that is, the probability with which a player becomes the proposer in a round of bargaining depends on the identity of the player who previously rejected. An important example is the frequently studied rejector–becomes–proposer protocol. We focus on subgame perfect equilibria in stationary strategies which are shown to exist and to be efficient. Equilibrium proposals do not depend on the probability to propose conditional on the rejection by another player, though equilibrium acceptance sets do depend on these probabilities. Next we consider the limit, as the bargaining friction vanishes. In case no player has a positive probability to propose conditional on his rejection, each player receives his utopia payoff conditional on being recognized and equilibrium payoffs are in general Pareto inefficient. Otherwise, equilibrium proposals of all players converge to a weighted Nash Bargaining Solution, where the weights are determined by the probability to propose conditional on a rejection.
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Britz, V., Herings, P. J.-J., & Predtetchinski, A. (2013). On the convergence to the Nash bargaining solution for action-dependent bargaining protocols (CORE Discussion Paper 2013/44). https://hdl.handle.net/2078.5/203377